NEC UM361X vs Optoma 4K400x
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| NEC UM361X | Optoma 4K400x | |
|---|---|---|
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Technology brand | 3LCD | DLP |
| Chip / panel diagonal | 0.63 in | 0.47 in |
| Native aspect ratio | 4:3 | 16:9 |
| Native resolution | 1024 × 768 | 1920 × 1080 |
| Addressable resolution | — | 3840 × 2160 |
| Optics | ||
| Throw ratio | 0.36:1 | 1.5–1.66:1 |
| Throw reference point | Front | — |
| Projection distance table | 70″: 0.17 m · 80″: 0.24 m · 90″: 0.32 m · 100″: 0.39 m · 110″: 0.46 m · 61.5″: 0.11 m · 116.6″: 0.51 m | 30″: 1–1.1 m · 40″: 1.33–1.46 m · 60″: 1.99–2.19 m · 80″: 2.66–2.92 m · 100″: 3.32–3.65 m · 120″: 3.98–4.38 m · 150″: 4.98–5.48 m · 200″: 6.64–7.31 m · 250″: 8.3–9.13 m |
| Zoom type | Digital | Optical |
| Zoom ratio | 1.4× | 1.1× |
| Focus | Manual | Manual |
| Fixed offset | 75% | 105% |
| Focal length | 4.78 mm | 15.84–17.42 mm |
| F-number | 1.8 | 1.98–2.02 |
| Image size range | 61.5–117 in | 33–300 in |
| Vertical keystone | -10–10° | -40–40° |
| Horizontal keystone | -10–10° | -40–40° |
| Corner / warp correction | 4pt | Warp |
| Light source | ||
| Light source type | Lamp | Lamp |
| Light source detail | 255 W AC lamp (200 W in Normal, 160 W in Eco); replacement lamp NP33LP | — |
| Lamp wattage | 255 W | 240 W |
| Light source life | High bright: 3,800 h · Normal: 5,000 h · Eco: 6,000 h | Bright: 4,000 h · Dynamic: 15,000 h · Eco: 10,000 h |
| Warm-up time | 6 s | — |
| Cool-down time | 0 s | 90 s |
| Light-source dimming | Manual steps | Dynamic frame |
| Brightness | ||
| ISO light output | 3,600 lm | — |
| Claimed brightness (non-standard) | — | 4,000 |
| Claimed brightness unit | — | Unspecified |
| Brightness uniformity (centre-to-corner) | — | 80% |
| Contrast & black level | ||
| Dynamic contrast | 6,000:1 | 1,000,000:1 |
| Dynamic light control | Dynamic iris | — |
| Colour | ||
| Colour temperature presets | — | D55, D65, D93, Native |
| Gamma / EOTF presets | — | 2.2, 2.4 |
| Bit depth / 'number of colours' | 30 bit | — |
| Calibration & picture control | ||
| Colour management system | — | 6-axis |
| Picture mode memories | 7 | — |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| Tone mapping type | — | Adjustable |
| Motion & gaming | ||
| Max refresh rate | — | 1920×1080: 240 Hz |
| Input lag (rated) | — | 3840×2160 @ 60 Hz: 16.7 ms · 1920×1080 @ 60 Hz: 16.7 ms · 1920×1080 @ 120 Hz: 8.9 ms · 1920×1080 @ 240 Hz: 4.5 ms |
| Audio | ||
| Speaker power | 20 W | 10 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 1920 × 1200 | 4096 × 2160 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | HDMI 1/MHL IN: HDMI (MHL); HDMI 2 IN: HDMI | HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2: HDMI 2.0, HDCP 2.2 |
| Horizontal scan frequency | 15–100 kHz | 31–135 kHz |
| Vertical scan frequency | 50–120 Hz | 24–120 Hz |
| VGA input | Yes | — |
| RS-232 | Yes | Yes |
| LAN control | Yes | — |
| 12 V trigger | — | Yes |
| PJLink class | Class 1 | — |
| Ethernet | Yes | — |
| 3D | ||
| 3D support | — | Yes |
| 3D formats | — | Frame packing |
| Acoustic noise | ||
| Fan noise (sound pressure) | Eco: 28 dB(A) · Normal: 29 dB(A) · High bright: 38 dB(A) | Typical: 26 dB(A) · Max: 28 dB(A) |
| Environment & power | ||
| Operating temperature | 5–40°C | 5–40°C |
| Operating humidity | 20–80%RH | 10–85%RH |
| Altitude / high-altitude mode | 2,600 m | 3,000 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 337 W | 305 W |
| Power consumption by mode | High bright: 324 W · Normal: 257 W · Eco: 214 W | Min: 220 W · Max: 305 W |
| Standby power | 0.39 W | 0.5 W |
| Networked standby power | 2.4 W | — |
| Physical & installation | ||
| Width | 378 mm | 315 mm |
| Depth | 428 mm | 270 mm |
| Height | 112 mm | 115 mm |
| Weight | 5.6 kg | 4.2 kg |
| Air filter | Replaceable | — |
| Safety & compliance | ||
| Photobiological risk group | — | RG2 |
| Safety & market certifications | UL, FCC | FCC |
| Support & ownership | ||
| Warranty | 🇪🇺 EU 3 yr | — |
| Light-source warranty | 6 months, max. 1000 hrs | — |
| User manual | https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/um351w/UM351W_manual_ENG_v3.pdf | https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf |
| In the box | ||
| Box contents | Remote, Batteries, Power cord, Vga cable, Cable cover, Cd rom manual, Quick setup guide | Power cord, Remote, Batteries, User manual |
| Remote type | IR | Backlit |